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Excel Merge

Combine workbooks into one

Free forever — no sign-up, nothing uploaded. Files never leave your device.

braincoder.app/use/excel-merge

Excel Merge

Combine workbooks into one

Drop your file here

or browse from your device

Browse files

document.pdf

1.2 MB

report.pdf

860 KB

100% private

Nothing is uploaded — everything runs in your browser.

Free forever

No account or payment required.

No sign-up

Open the tool and start using it right away.

Local processing

Processing time depends on your input and device.

About this tool

Merge multiple .xlsx files into a single workbook, deduplicating sheet names — all in your browser.

Excel Merge combines two or more Excel workbooks into a single .xlsx file. Every sheet from every uploaded workbook is preserved in the merged output, with duplicate sheet names automatically suffixed (e.g. Sales (1)) so nothing is overwritten.

It is the quick answer to consolidating monthly reports, combining data from multiple teams, or joining workbooks before further processing. The merge runs entirely in your browser, so confidential spreadsheets never transit a server.

Key features

Everything you get with Excel Merge — no premium upsell.

Merge multiple .xlsx workbooks into one file

All sheets preserved, nothing dropped

Duplicate sheet names auto-suffixed

Works with merge then convert workflows

Sheet order follows upload order

Fully client-side — data never uploaded

How to use Excel Merge

Follow the steps below to use the tool.

  1. 1

    Add workbooks

    Click Add workbook(s) and select two or more .xlsx files.

  2. 2

    Review the merge

    Confirm the files and their sheets are listed as expected.

  3. 3

    Merge

    Click Merge into one .xlsx to build a single combined workbook.

  4. 4

    Download

    Save merged.xlsx — every sheet is inside, rename-safe.

Still free, still private — your files never leave your device.

Launch Excel Merge

Frequently asked questions

Quick answers before you launch the tool.